saint vs Saint Matthew

saint and Saint Matthew both are nouns.

Word	Noun	Adjective	Verb	Adverb
saint	Yes	No	Yes	No
Saint Matthew	Yes	No	No	No

saint (noun)	Saint Matthew (noun)
person of exceptional holiness	(New Testament) disciple of Jesus; traditionally considered to be the author of the first Gospel
model of excellence or perfection of a kind; one having no equal
a person who has died and has been declared a saint by canonization

saint (verb)	Saint Matthew (verb)
declare (a dead person) to be a saint
hold sacred